Backpack approx dimension: 13 x 17 x 4.7 inch // 33 x 43 x 12 cm; Laptop compartment fits up to 15.6 inch laptop; Shockproof Design: This laptop backpack has a padded shockproof sleeve inside to protect your laptop from collision or damage; Material: UNIQUE PU Leather(Faux Leather) Various Pockets: 1 Main Bag, 1 Computer Compartment Bag(13~15.6" inch), 2 Open Wall Pockets, 2 Front Zipper Pocket, 2 Pen Positions, 2 Side Pockets (please refer to the pictures), make your goods lay in the bag systematically. 100% Lifetime Guarante: If you have any problems, please kindly contact us BAOSHA. Thank you!